Networking Essentials / Ports and protocols
Lesson 22 of 30
Other protocols
FTP and Telnet send everything, passwords included, as plain text. Use SFTP and SSH instead.
Key points
- FTP (21): unencrypted file transfer
- Telnet (23): unencrypted shell
- SFTP and SSH (22): encrypted
Quiz · +10 XP
Why avoid Telnet?
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